Abstract
High power factor, high frequency single stage single switch resonant inverter for the application of high frequency applications is presented in this paper. The power circuit is designed with a power factor corrector with single-switch current-fed high frequency resonant inverter. Number of switches used in conventional ballast circuits is reduced in single switch approach. SEPIC (Single ended primary inductor converter) is operated in DCM (discontinuous conduction mode) and the drawbacks of conventional class E resonant are overcome. The problem of gate circuit design of switches and isolation are greatly reduced due to the usage of single switch. The presence of input filters makes the input current ripple free. The simulation results of single switch High Frequency Resonant Inverter for CFL Applications circuit for high frequency of 80 kHz have been presented.
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